Answers : (2)

Ravleen Kaur

askIITians Faculty

1004
Points

H2/Ni reduces double bonds and tripple bonds selectivly.

one month ago

Vikas TU

7091
Points

We know that in ester there is resonance takin place so the effective bond number is actually less than 2.But in case of CN the bond number is less than 3 but greater than 2. So the hydrogen has a greater tendency to attack the CN group than the ester functional group.